Home / 8,814.82-13,222.67-2,891.18

Finding the Fourth Proportional to 8,814.82, 13,222.67 and 2,891.18

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Solution

The fourth proportional to 8,814.82, 13,222.67 and 2,891.18 is: 4,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.82 : 13,222.67 = 2,891.18 : x
  2. Step 2: Convert to fraction form
    8,814.82/13,222.67 = 2,891.18/x
  3. Step 3: Cross multiply
    8,814.82x = 13,222.67 × 2,891.18
  4. Step 4: Simplify right side
    8,814.82x = 38,229,123.70
  5. Step 5: Solve for x
    x = 38,229,123.70/8,814.82
  6. Step 6: Final answer
    x = 4,336.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.